Sir - The response or non-response of wealthy Arab states - U.A.E, Qatar, Kuwait, Saudi Arabia - to the refugee crisis currently engulfing Europe has been instructive.

These countries will, of course, be the first to express outrage over any American intervention in the region but when it comes to supporting their brethren with any practical intervention, there seems little solidarity.

Saudi Arabia has, however, offered to build 200 mosques in Germany to accommodate the faith needs of the displaced.

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